. >> catherine: this was hillary clinton's last day as secretary of state. she told a crowd of foreign workers at the state department to continue to serve their nation. and to understand the challenges facing the u.s. >> i know the of the world that we are trying to bring into the 21st century will have a committee difficult days. but i am more optimistic today than when i stood here for years ago >> catherine: clinton left with a slap at critics of the administration's handling of the attack on a u.s. embassy in libya. she says those critics don't live in an 'evidence-based' world. john kerry now becomes the new secretary of state. >> pam: a little friendly rivalry going on between san franciso mayor ed lee. and baltimore mayor stephanie rawlings-blake before the super bowl. the dueling mayor's describe the rules of their bet. >> what do you mean by that? heavier already made a bet? >> yes, we have already made a bet. when we went to the super bowl. we have a wonderful beautiful red and gold jersey. >> mayor, what are you going to have in store one the rav